Home / 1,917,453,601.16-2,647,913,457-1,812,992,057.12

Finding the Fourth Proportional to 1,917,453,601.16, 2,647,913,457 and 1,812,992,057.12

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Solution

The fourth proportional to 1,917,453,601.16, 2,647,913,457 and 1,812,992,057.12 is: 2,503,656,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,453,601.16 : 2,647,913,457 = 1,812,992,057.12 : x
  2. Step 2: Convert to fraction form
    1,917,453,601.16/2,647,913,457 = 1,812,992,057.12/x
  3. Step 3: Cross multiply
    1,917,453,601.16x = 2,647,913,457 × 1,812,992,057.12
  4. Step 4: Simplify right side
    1,917,453,601.16x = 4,800,646,065,482,160,128
  5. Step 5: Solve for x
    x = 4,800,646,065,482,160,128/1,917,453,601.16
  6. Step 6: Final answer
    x = 2,503,656,965.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.